package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Service;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

    @Select("SELECT id,name,image,letter,seq FROM tb_brand where id in( SELECT brand_id FROM tb_category_brand WHERE category_id in ( SELECT id from tb_category where name=#{categoryName}))")
    public List<Brand> findBrandListByCategoryName(@Param("categoryName")String categoryName);


    /**
     * 查询分类
     * @param catgehrey
     * @return
     */
    @Select("SELECT name,image FROM tb_brand WHERE id in( SELECT brand_id FROM tb_category_brand WHERE category_id in ( SELECT id FROM tb_category WHERE name=#{categoryName}))")
    List<Map> findBrandListByCategory(String catgehrey);
}
